HelpSource/Classes/PV_Max.schelp

   1 class:: PV_Max
   2 summary:: Maximum magnitude.
   3 related:: Classes/FFT, Classes/IFFT, Classes/PV_Add, Classes/PV_CopyPhase, Classes/PV_MagMul, Classes/PV_Min, Classes/PV_Mul
   4 categories:: UGens>FFT
   5
   6 Description::
   7
   8 Output copies bins with the maximum magnitude of the two inputs.
   9
  10
  11 classmethods::
  12
  13 method::new
  14
  15 argument::bufferA
  16 FFT buffer A.
  17
  18 argument::bufferB
  19 FFT buffer B.
  20
  21 Examples::
  22
  23 code::
  24
  25 s.boot;
  26 b = Buffer.read(s, Help.dir +/+ "sounds/a11wlk01.wav");
  27
  28 (
  29 var exBuf;
  30 Dialog.getPaths({ arg paths; //get a second soundfile;
  31         paths.do({ arg p; exBuf = Buffer.read(s, p);
  32                 SynthDef("help-max", { arg out=0, soundBufnum1=2, soundBufnum2 = 3;
  33                         var inA, chainA, inB, chainB, chain ;
  34                         inA = PlayBuf.ar(1, soundBufnum1, BufRateScale.kr(soundBufnum1), loop: 1);
  35                         inB =  PlayBuf.ar(1, soundBufnum2, BufRateScale.kr(soundBufnum2), loop: 1);
  36                         chainA = FFT(LocalBuf(2048), inA);
  37                         chainB = FFT(LocalBuf(2048), inB);
  38                         chain = PV_Max(chainA, chainB);
  39                         Out.ar(out,  0.1 * IFFT(chain).dup);
  40                 }).play(s, [\soundBufnum1, b.bufnum, \soundBufnum2, exBuf.bufnum]);
  41         })
  42 },{
  43         "cancelled".postln;
  44 });
  45 )
  46
  47 b.free;
  48
  49 ::
  50